Answer:
The answer is
(2) The chair isn't Comfortable its very hard.
(4) The leader walked ahead of the group.
(5) we walked outside because we didn't want anyone to hear us.
(1) The sailors stood on the deck of the ship and looked at the sea.
(3) The air isn't good. I cant exhale!
Step-by-step explanation:
Number 3 might be exhale with an ! point but I am not sure.